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【单选题】
菌落特征较为干燥的是
A.
杆菌
B.
球菌
C.
酵母
D.
放线菌
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参考解析：
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举一反三
【单选题】Dick had to work after class and during his holidays because ______.
A.
his parents told him to make more friends
B.
he wanted to become a rich man
C.
he couldn't go on with his studies without enough money
D.
he had nothing to do at home
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【单选题】关于战略与纳什均衡的理解,下面正确的是
A.
占优战略均衡不一定是纳什均衡
B.
如果一个协议不构成纳什均衡，它就不可能自动实施
C.
纳什均衡是唯一的
D.
纳什均衡一定由占优战略构成
查看完整题目与答案
【单选题】Craig, a marketing manager at HeliZone Inc., rarely takes initiative or suggests new ideas during project meetings. He does his work halfheartedly and needs to be guided by his manager on a regular ba...
A.
passive follower
B.
alienated follower
C.
conformist follower
D.
pragmatist follower
查看完整题目与答案
【多选题】流行性脑脊髓膜炎的主要临床表现是
A.
突起高热
B.
剧烈头痛
C.
呕吐频繁
D.
皮肤黏膜瘀点
E.
脑膜刺激征
查看完整题目与答案
【单选题】能证明碳酸比硅酸酸性强的实验事实是 [     ]
A.
CO 2 是气体，SiO 2 是固体
B.
高温下能发生反应Na 2 CO 3 +SiO 2 Na 2 SiO 3 +CO 2 ↑
C.
CO 2 溶于水生成碳酸，而SiO 2 却不溶于水
D.
CO 2 通入Na 2 SiO 3 溶液中有胶状沉淀生成
查看完整题目与答案
【简答题】During his work on child protection, he often acts as a(n) ________between parents and children, the parents know what they can do and what they cannot do.A. mediator B. transmitter C. speculat...
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【简答题】Part C Listen to the passage three times and supply the missing information. On June 28, 2008, amid cheers and tears 52-year-old Gates said good-bye to his 1) —— employees. The following is his clos...
查看完整题目与答案
【简答题】33-35 Passage Three 33. A . It influences Americans' value of life. B . It expresses Americans' feeling vividly. C . It evolves with the development of America. D . It reflects Americans' preoccupatio...
查看完整题目与答案
【单选题】能证明碳酸比硅酸酸性强的实验事实是（　　）
A.
CO 2 是气体，SiO 2 是固体
B.
高温下能发生反应：Na 2 CO 3 +SiO 2 高温 . Na 2 SiO 3 +CO 2 ↑
C.
CO 2 溶于水生成碳酸，而SiO 2 却不溶于水
D.
CO 2 通入NaSiO 3 溶液中有胶状沉淀生成
查看完整题目与答案
【单选题】能证明碳酸比硅酸酸性强的实验事实是
A.
H 2 CO 3 比H 2 SiO 3 受热易分解
B.
高温下能发生反应Na 2 CO 3 ＋SiO 2 Na 2 SiO 3 ＋CO 2 ↑
C.
CO 2 能溶于水生成碳酸，而SiO 2 却不溶于水
D.
CO 2 通入Na 2 SiO 3 溶液中有胶状沉淀生成
查看完整题目与答案
相关题目：
【单选题】Dick had to work after class and during his holidays because ______.
A.
his parents told him to make more friends
B.
he wanted to become a rich man
C.
he couldn't go on with his studies without enough money
D.
he had nothing to do at home
查看完整题目与答案
【单选题】关于战略与纳什均衡的理解,下面正确的是
A.
占优战略均衡不一定是纳什均衡
B.
如果一个协议不构成纳什均衡，它就不可能自动实施
C.
纳什均衡是唯一的
D.
纳什均衡一定由占优战略构成
查看完整题目与答案
【单选题】Craig, a marketing manager at HeliZone Inc., rarely takes initiative or suggests new ideas during project meetings. He does his work halfheartedly and needs to be guided by his manager on a regular ba...
A.
passive follower
B.
alienated follower
C.
conformist follower
D.
pragmatist follower
查看完整题目与答案
【多选题】流行性脑脊髓膜炎的主要临床表现是
A.
突起高热
B.
剧烈头痛
C.
呕吐频繁
D.
皮肤黏膜瘀点
E.
脑膜刺激征
查看完整题目与答案
【单选题】能证明碳酸比硅酸酸性强的实验事实是 [     ]
A.
CO 2 是气体，SiO 2 是固体
B.
高温下能发生反应Na 2 CO 3 +SiO 2 Na 2 SiO 3 +CO 2 ↑
C.
CO 2 溶于水生成碳酸，而SiO 2 却不溶于水
D.
CO 2 通入Na 2 SiO 3 溶液中有胶状沉淀生成
查看完整题目与答案
【简答题】During his work on child protection, he often acts as a(n) ________between parents and children, the parents know what they can do and what they cannot do.A. mediator B. transmitter C. speculat...
查看完整题目与答案
【简答题】Part C Listen to the passage three times and supply the missing information. On June 28, 2008, amid cheers and tears 52-year-old Gates said good-bye to his 1) —— employees. The following is his clos...
查看完整题目与答案
【简答题】33-35 Passage Three 33. A . It influences Americans' value of life. B . It expresses Americans' feeling vividly. C . It evolves with the development of America. D . It reflects Americans' preoccupatio...
查看完整题目与答案
【单选题】能证明碳酸比硅酸酸性强的实验事实是（　　）
A.
CO 2 是气体，SiO 2 是固体
B.
高温下能发生反应：Na 2 CO 3 +SiO 2 高温 . Na 2 SiO 3 +CO 2 ↑
C.
CO 2 溶于水生成碳酸，而SiO 2 却不溶于水
D.
CO 2 通入NaSiO 3 溶液中有胶状沉淀生成
查看完整题目与答案
【单选题】能证明碳酸比硅酸酸性强的实验事实是
A.
H 2 CO 3 比H 2 SiO 3 受热易分解
B.
高温下能发生反应Na 2 CO 3 ＋SiO 2 Na 2 SiO 3 ＋CO 2 ↑
C.
CO 2 能溶于水生成碳酸，而SiO 2 却不溶于水
D.
CO 2 通入Na 2 SiO 3 溶液中有胶状沉淀生成
查看完整题目与答案